GUI modules bar

[pablo-parra]

Now that users can add custom modules to devcon we will need to manage that change in the GUI. Currently, with the default modules, the width of the devcon window allows to see all the module names but adding an extra module causes an ugly abbreviation on those

Users can solve it easily changing the window width (dragging it) but I think it affects clearly the UX.

My proposals to fix this would be (disclaimer: I don't know the limitations of JavaFX :) ):

Something like

Or